/*********************************
* Class: MAGSHIMIM C2			 *
* Week 1           				 *
**********************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_LENGTH 10

int isUpper(char c);
void split(char word[]);
void getWordInput(char word[]);

int main(void)
{
	char word[MAX_LENGTH] = "";

	// Getting the word from user
	getWordInput(word);

	split(word);
	getchar();

	return 0;
}

/*
The function gets word input from the user

Input:
	Word

Output:
	None
*/
void getWordInput(char word[])
{
	printf("Enter a string with upper and lower case letters: ");
	fgets(word, MAX_LENGTH, stdin);

	// Getting rid of '\n'
	word[strcspn(word, "\n")] = 0;
}

/*
The function splits the word to upper and lower words

Input:
	Word

Output:
	None
*/
void split(char word[])
{
	int i = 0;

	char upper[MAX_LENGTH] = "";
	char lower[MAX_LENGTH] = "";

	for (i = 0; i < strlen(word); i++)
	{
		if (isUpper(word[i]))
		{
			strcat(upper, word[i]);
		}

		else
		{
			strcat(lower, word[i]);
		}
	}

	printf("The upper and the lower case words:\n%s\n", lower);
}

/*
The function checks whether a char is upper case

Input:
	Char

Output:
	True or False
*/
int isUpper(char c)
{
	int isUpper = 0;

	if (c >= "A" && c <= "Z")
	{
		isUpper = 1;
	}

	return isUpper;
}